7868EH Matched Pair


7686EH  are compact versions of the 7591 valve with a B9D base..  It is also a replacement for the hard to find Brimar EL506 which was used in Selmer amps.. You will receive a test certificate following our in-house testing which is done by hand. Checkout our Supermatch info.

Availability: 2 in stock


7868EH Matched Pair

The 7868EH Matched Pair  are compact, later inroduced versions of the 7591 valve .
They are commonly found in the later versions of Hi-Fi such as Fisher and also in juke boxes. Some Peavey guitar amps use these valves too. This a replacement for the now obsolete Brimar EL506.
The 7868 are pre-matched for us at the factory. We issue a test certificate with the matching results.
If you wish a matched quad then just order two sets. The price shown is for a matched pair.
Note that some of the pairs are in white boxes due the factory running out of printed boxes.  These are genuine from the factory units and are brand new. This is a specialist valve so they are not continuously manufactured. The facotry often does not print the boxes
These valves have a B9D base so look like an overgrown ECC83 on steroids
The 7868 can replace the Brimar EL506. The Bromar was introduced in 1966 and was used in a number of Selmer amps.  However, the EL506 was not widely sdopted in the market and became obsolete. There are no stock of NOS that we can find in the UK, although there appears to be suspiciously fake  looking g NOS available in the Far East
The original 7591 valve was introduced in 1959 and is a high power valve that is a designers’s dream as it is so easy to work with.  As a result, it is found in many home audio products  during the 1960’s.  Example companies using 7868’s are Fisher and H. Scott in their home audio equipment. They are also found in Peavey guitar amps. The 7868 is the updated smaller package variant of the 7591
It is extremely important that the bias is set correctly on these high power valves or else their working lives will be shortened.
Note: Valves use high voltages and these voltages are dangerous. The amp can still retain these high voltages for some time even after being switched off.  If you are not sure of fitting them , please seek the services of qualified personnel

Weight 0.1 kg

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